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English definition of “behave”

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behave

verb [I] uk   /bɪˈheɪv/ us  
B1 to act in a particular way: She always behaves well/badly when her aunts come to visit. Whenever there was a full moon he would start behaving strangely. They behaved as if nothing had happened. specialized science to show particular behaviour in a particular situation or under particular conditions: They learn how particles behave in solids, liquids, and gases. It is believed that animals behave differently before a natural disaster.B1 to be good by acting in a way that has society's approval: Did the children behave (themselves)?
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(Definition of behave from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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